The Volvo S60 Polestar has been upgraded for 2014 with the same front-end treatment as the facelifted S60 range, in addition to hardware changes “based on feedback from Australian journalists and customers”.

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The Volvo S60 Polestar now features six-piston Brembo calipers with 370mm floating discs and high performance pads front and rear, “providing superior braking performance with no fade.” The automatic transmission has been “Polestar-optimised” meanwhile, with gearshift paddles mounted behind the steering wheel now added.

New front splitters and a rear spoiler and diffuser increase aerodynamics and downforce performance respectively, while inside beefed-up sports seats covered in charcoal Nabuck and leather aim to create a fix for a third S60 Polestar problem area.

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Still powered by a 3.0-litre turbocharged six-cylinder engine producing 257kW of power and 500Nm of torque, the Volvo S60 Polestar’s 4.9 second 0-100km/h claim also remains unchanged. The suspension’s springs remain 80 per cent stiffer than those of the S60 T6 R-design variant on which the Polestar is based.

The 50-unit limited edition was introduced last year as the most expensive Volvo offered in Australia, costing $109,950, which is unchanged for this latest update, though the limited-number restriction has been lifted.

Engineered by Swedish performance outfit Polestar – which has strong involvement in the Volvo V8 Supercars program – the S60 Polestar continues to be an Australia-only proposition, though a third iteration is said to be coming later this year and will feature a V60 Polestar variant and will be introduced in other countries.

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“The luxury sedan segment in Australia is defined by significant performance variants,” said Volvo Car Australia managing director Matt Braid.

“Following on the from the successful limited-edition run last year in Australia, Volvo decided to introduce unique Polestar variants on the production line for a number of markets.”

The Volvo S60 Polestar made its local debut at the Clipsal 500 V8 Supercars race at the weekend, and will be available in Australian showrooms in April.